Below is a collection of articles about the great American driver Joe Dawson who won the second Indianapolis 500 Mile Race in 1912. Also check out this article on Joe from Vanderbilt Races.
Earl Kiser was one of America's early professional auto racing drivers and a chief rival to his much more well-known contemporary, Barney Oldfield. Kiser succeeded Oldfield on Alexander Winton's Bullet II race car when Barney and Winton had a falling out. Kiser was also a colleague of Indianapolis Motor Speedway founder Carl Fisher.
Here are two great finds flagged by Bill Blaylock of the Yahoo Auto Racing History Group. Both are programs to 1950's auto racing programs. One is the 1953 program for the Hoosier Hundred dirt car race (the photos at the Hoosier Hundred link are from 1968).